%0 Journal Article %A Bednorz, Witold %T On the convergence of orthogonal series %J Comptes Rendus. Mathématique %D 2011 %P 455-458 %V 349 %N 7-8 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2011.02.001/ %R 10.1016/j.crma.2011.02.001 %G en %F CRMATH_2011__349_7-8_455_0